diff options
| author | Steven Toth <stoth@hauppauge.com> | 2007-09-15 12:28:26 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2007-09-26 10:54:38 -0700 |
| commit | 5f9ce2fc33a51fb6ff9e6e484d4673329c935aba (patch) | |
| tree | 9adc7fff950f2779bbdabc9f34768339458fabe0 | |
| parent | 1d82390f570340d517c4e8f2b7a63f8dfeb9a4ff (diff) | |
V4L: cx88: Avoid a NULL pointer dereference during mpeg_open()
(cherry picked from commit 48200baeab95fd39a7f4c4f3536c7142a64ac335)
[PATCH] V4L: cx88: Avoid a NULL pointer dereference during mpeg_open()
Bug: With a hardware encoder board installed as cx88[1] and a
non-encoder boards installed as cx88[0], an OOPS is generated
during cx8802_get_device() called from mpeg_open().
Signed-off-by: Steven Toth <stoth@hauppauge.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | drivers/media/video/cx88/cx88-mpeg.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/media/video/cx88/cx88-mpeg.c b/drivers/media/video/cx88/cx88-mpeg.c index 543b05ebc0e7..c36e2b7172e9 100644 --- a/drivers/media/video/cx88/cx88-mpeg.c +++ b/drivers/media/video/cx88/cx88-mpeg.c @@ -580,7 +580,7 @@ struct cx8802_dev * cx8802_get_device(struct inode *inode) list_for_each(list,&cx8802_devlist) { h = list_entry(list, struct cx8802_dev, devlist); - if (h->mpeg_dev->minor == minor) + if (h->mpeg_dev && h->mpeg_dev->minor == minor) return h; } |